** Chinese EV maker BYD's Hong Kong shares 1211.HK jump 5.1% to HK$99.75, biggest daily gain since July 22
** Top gainer in Hang Seng Tech Index .HSTECH, which is down 2.6%
** Shenzhen-listed shares 002594.SZ surge 8.2% to 96.67 yuan, highest level since Jan 19
** BYD announces "groundbreaking" technology launch event for Thursday, March 5
** Macquarie says investors expect industry-leading power efficiency, charging speed, affordable ADAS features reveal
** "There is also the possibility that investors are looking at China EV names like BYD as a second derivative play on current tensions in Iran due to negative impact to oil supply/shipping" - Macquarie analyst
** Says potential oil import disruptions could push China to prioritise EV/battery sectors for energy transition
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))